Table 1.
Prevalence of monoclonal gammopathy of undetermined significance in an elderly Korean cohort recruited during 2005-2006
| Original cohort, 2005-2006 |
Follow-up study, 2010-2011 |
|||
|---|---|---|---|---|
| Participant (%) | Cases per 100 people (95% CI) | Participant (%) | Cases per 100 people (95% CI) | |
| All, crude | 680 (100) | 3.1 (1.8-4.4) | 348a) | 2.9 (1.4-5.2) |
| Age (yr) | ||||
| 65-69 | 293 (43) | 1.7 (0.2-3.2) | - | - |
| 70-74 | 202 (30) | 4.0 (1.3-6.6) | 190 (55) | 2.1 (0.6-5.3) |
| 75-79 | 110 (16) | 2.7 (0.0-5.8) | 100 (29) | 3.0 (0.6-8.5) |
| ≥ 80 | 75 (11) | 6.7 (1.0-12.3) | - | - |
| 80-84 | - | - | 46 (13) | 4.3 (0.5-14.8) |
| ≥ 85 | - | - | 12 (3)a) | 9.1 (0.2-41.3) |
| Gender | ||||
| Male | 287 (42) | 3.8 (1.6-6.1) | 171a) (49) | 4.1 (1.7-8.3) |
| Female | 393 (58) | 2.5 (1.0-4.1) | 177 (51) | 1.7 (0.4-4.9) |
a)
Among the 348 respondents in the follow-up study, one was diagnosed with multiple myeloma. CI, confidence interval.